galvanized stair tread - OEM

stair tread, Standard type: 1m*6m, (special sizes or American standard sizes available), Material: Carbon Steel - details see: https://www.buildingsupplieshub.com/galvanized-stair-tread-10093580

Type: Stair Parts	Place of Origin: Hebei China (Mainland)	Brand Name: JW	Model Number: OEM
Stair Part Material: Metal	Surface treatment: hot-dipped-galvanized

stair tread

Pitch of Bearing bar	Cross-bar Pitch	Specification of bearing bar load(width×thickness)
Pitch of Bearing bar	Cross-bar Pitch	20×3	25×3	32×3	40×3	20×5	25×5
30	100	G203/30/100	G253/30/100	G323/30/100	G403/30/100	G205/30/100	G255/30/100
30	50	G203/30/50	G253/30/50	G323/30/50	G403/30/50	G205/30/50	G255/30/50
40	100	G203/40/100	G253/40/100	G323/40/100	G403/40/100	G205/40/100	G255/40/100
40	50	G203/40/50	G253/40/50	G323/40/50	G403/40/50	G205/40/50	G255/40/50
60	50		G253/60/50	G253/60/50	G403/60/50	G205/60/50	G255/60/50
Pitch of Bearing bar	Cross-bar Pitch	Specification of bearing bar load(width×thickness)
Pitch of Bearing bar	Cross-bar Pitch	32×5	40×5	45×5	50×5	55×5	60×5
30	100	G325/30/100	G405/30/100	G455/30/100	G505/30/100	G555/30/100	G605/30/100
30	50	G325/30/50	G405/30/50	G455/30/50	G505/30/50	G555/30/50	G605/30/50
40	100	G325/40/100	G405/40/100	G455/40/100	G505/40/100	G555/40/100	G605/40/100
40	50	G325/40/50	G405/40/50	G455/40/50	G505/40/50	G555/40/50	G605/40/50
60	50	G325/60/50	G405/60/50	G455/60/50	G505/60/50	G555/60/50	G605/60/50